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Completed Projects

As part of a project funded by the AAA Foundation for Traffic Safety, this document provides an overview of issues related to marijuana consumption, driving impairment and blood testing as well as the potential impacts of social and legal factors.

The objective of this project is to identify and recommend strategies for improving state level data on the nature and extent of drugged driving in the United States by addressing the most significant barriers that impede state efforts to collect and compile such data.

In this literature review, theories of and research on driver behavioral adaptation are examined in light of advanced driver assistance systems (ADAS) that support driving tasks formerly managed exclusively by the driver.

Falls in older adults are associated with a significantly increased risk of subsequent motor vehicle crashes. Older adults who had fallen were 40% more likely to experience a subsequent motor vehicle crash than older adults who had not fallen. Additional studies are needed to clarify the relationships between falls, driving behaviors and driving safety among older adults.

Since 2006, the AAA Foundation for Traffic Safety has been sponsoring research to better understand traffic safety culture. The Foundation’s long-term term vision is to create a “social climate in which traffic safety is highly valued and rigorously pursued.” In 2008, the AAA Foundation conducted the first Traffic Safety Culture Index (TSCI), a nationally representative survey, to begin to assess a few key indicators of the degree to which traffic safety is valued and is being pursued. The 2015 TSCI report continues this groundbreaking work.

This study investigated the number of motor vehicle crashes, injuries, and
deaths that occurred in the United States in years 2010-2014 in relation to
weather conditions and roadway surface conditions.

Findings from this report originate from an extensive synthesis of the literature on self-regulation of driving among older adults. The synthesis builds on earlier reviews of the literature by the authors, as well as extends literature findings on specific aspects self-regulation.

Fatigue, or drowsiness, is known to degrade driving performance by slowing reaction time, impairing judgment and situational awareness, and increasing attentional lapses as well as the occurrence of microsleeps. The purpose of the present study was to provide updated estimates of the prevalence of selfreported drowsy driving using data from a nationally-representative survey of drivers conducted in 2015.